Question

ajudaaaa plssss
3- Calcule os valores de X na função g(x) = 2x² + 2x – 12 quando:


a) g(x) = - 8

b) g(x) = -12

c) g(x) = 0​

Answer 1

– Resposta:

g(x) = 2x² + 2x – 12

a) g(–8) = 2(–8)² + 2(–8) – 12 = 2.64 – 16 – 12 = 128 – 28 = 100

b) g(–12) = 2(–12)² + 2(–12) – 12 = 2.144 – 24 – 12 = 288 – 36 = 252

c) g(0) = 2(0)² + 2(0) – 12 = – 12